Finding the Fourth Proportional to 927,465.12, 1,281,102.48 and 766,968.48
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Solution
The fourth proportional to 927,465.12, 1,281,102.48 and 766,968.48 is: 1,059,409.35
Step by Step Solution
- Step 1: Write the proportion equation
927,465.12 : 1,281,102.48 = 766,968.48 : x - Step 2: Convert to fraction form
927,465.12/1,281,102.48 = 766,968.48/x - Step 3: Cross multiply
927,465.12x = 1,281,102.48 × 766,968.48 - Step 4: Simplify right side
927,465.12x = 982,565,221,809.83 - Step 5: Solve for x
x = 982,565,221,809.83/927,465.12 - Step 6: Final answer
x = 1,059,409.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.